Neurochemical Research

, Volume 29, Issue 1, pp 189–197 | Cite as

Taurine as a Modulator of Excitatory and Inhibitory Neurotransmission

Article

Abstract

We present data that summarize our findings on the role of taurine in the central nervous system and in particular taurine's interaction with the inhibitory and excitatory systems. In taurine-fed mice, the expression level of glutamic acid decarboxylase (GAD), the enzyme responsible for GABA synthesis, is elevated. Increased expression of GAD was accompanied by increased levels of GABA. We also found in vitro, that taurine regulates neuronal calcium homeostasis and calcium-dependent processes, such as protein kinase C (PKC) activity. This calcium-dependent kinase was regulated by taurine, whereas the activity of protein kinase A (PKA), a cAMP-dependent, calcium-independent kinase, was not affected. Furthermore, as a consequence of calcium regulation, taurine counteracted glutamate-induced mitochondrial damage and cell death.

Keywords

Calcium Cell Death Nervous System Central Nervous System Protein Kinase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 2004

Authors and Affiliations

  1. 1.New York State Institute for Basic Research in Developmental Disabilities and The Center for Developmental Neuroscience at The City University of New YorkStaten Island

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